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/* NSC -- new Scala compiler
* Copyright 2005-2011 LAMP/EPFL
* @author Martin Odersky
*/
package scala.tools.nsc
import java.io.File
import File.pathSeparator
import scala.tools.nsc.interactive.{ RefinedBuildManager, SimpleBuildManager }
import scala.tools.nsc.io.AbstractFile
import scala.tools.nsc.reporters.{Reporter, ConsoleReporter}
import scala.reflect.internal.util.{ BatchSourceFile, FakePos } //{Position}
import Properties.{ versionString, copyrightString, residentPromptString, msilLibPath }
import scala.reflect.internal.util.Statistics
/** The main class for NSC, a compiler for the programming
* language Scala.
*/
object MainBench extends Driver with EvalLoop {
lazy val theCompiler = Global(settings, reporter)
override def newCompiler() = theCompiler
val NIter = 50
val NBest = 10
override def main(args: Array[String]) = {
val times = new Array[Long](NIter)
var start = System.nanoTime()
for (i <- 0 until NIter) {
if (i == NIter-1) {
theCompiler.settings.Ystatistics.value = true
Statistics.enabled = true
}
process(args)
val end = System.nanoTime()
val duration = (end-start)/1000000
println(s"${duration}ms")
times(i) = duration
start = end
}
val avg = times.sorted.take(NBest).sum / NBest
println(s"avg shortest $NBest times ${avg}ms")
}
}
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